KR20230131285A - 부호화 장치, 복호 장치, 부호화 방법 및 복호 방법 - Google Patents

부호화 장치, 복호 장치, 부호화 방법 및 복호 방법 Download PDF

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KR20230131285A
KR20230131285A KR1020237029406A KR20237029406A KR20230131285A KR 20230131285 A KR20230131285 A KR 20230131285A KR 1020237029406 A KR1020237029406 A KR 1020237029406A KR 20237029406 A KR20237029406 A KR 20237029406A KR 20230131285 A KR20230131285 A KR 20230131285A
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South Korea
Prior art keywords
prediction
block
motion vector
processing
inter
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KR1020237029406A
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English (en)
Korean (ko)
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기요후미 아베
다카히로 니시
다다마사 도마
류이치 가노
Original Assignee
파나소닉 인텔렉츄얼 프로퍼티 코포레이션 오브 아메리카
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Publication of KR20230131285A publication Critical patent/KR20230131285A/ko

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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
    • H04N19/103Selection of coding mode or of prediction mode
    • H04N19/109Selection of coding mode or of prediction mode among a plurality of temporal predictive coding modes
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/134Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or criterion affecting or controlling the adaptive coding
    • H04N19/157Assigned coding mode, i.e. the coding mode being predefined or preselected to be further used for selection of another element or parameter
    • H04N19/159Prediction type, e.g. intra-frame, inter-frame or bidirectional frame prediction
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
    • H04N19/103Selection of coding mode or of prediction mode
    • H04N19/105Selection of the reference unit for prediction within a chosen coding or prediction mode, e.g. adaptive choice of position and number of pixels used for prediction
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/50Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/503Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
    • H04N19/51Motion estimation or motion compensation
    • H04N19/513Processing of motion vectors
    • H04N19/517Processing of motion vectors by encoding
    • H04N19/52Processing of motion vectors by encoding by predictive encoding
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
    • H04N19/119Adaptive subdivision aspects, e.g. subdivision of a picture into rectangular or non-rectangular coding blocks
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/134Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or criterion affecting or controlling the adaptive coding
    • H04N19/136Incoming video signal characteristics or properties
    • H04N19/137Motion inside a coding unit, e.g. average field, frame or block difference
    • H04N19/139Analysis of motion vectors, e.g. their magnitude, direction, variance or reliability
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/134Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or criterion affecting or controlling the adaptive coding
    • H04N19/136Incoming video signal characteristics or properties
    • H04N19/14Coding unit complexity, e.g. amount of activity or edge presence estimation
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/134Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or criterion affecting or controlling the adaptive coding
    • H04N19/157Assigned coding mode, i.e. the coding mode being predefined or preselected to be further used for selection of another element or parameter
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/169Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding
    • H04N19/17Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object
    • H04N19/176Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object the region being a block, e.g. a macroblock
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/169Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding
    • H04N19/186Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being a colour or a chrominance component
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/50Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/503Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
    • H04N19/51Motion estimation or motion compensation
    • H04N19/573Motion compensation with multiple frame prediction using two or more reference frames in a given prediction direction
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/50Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/503Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
    • H04N19/51Motion estimation or motion compensation
    • H04N19/577Motion compensation with bidirectional frame interpolation, i.e. using B-pictures

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Error Detection And Correction (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
KR1020237029406A 2017-06-05 2018-05-30 부호화 장치, 복호 장치, 부호화 방법 및 복호 방법 KR20230131285A (ko)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US201762515208P 2017-06-05 2017-06-05
US62/515,208 2017-06-05
PCT/JP2018/020659 WO2018225594A1 (ja) 2017-06-05 2018-05-30 符号化装置、復号装置、符号化方法及び復号方法
KR1020197035779A KR102574175B1 (ko) 2017-06-05 2018-05-30 부호화 장치, 복호 장치, 부호화 방법 및 복호 방법

Related Parent Applications (1)

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KR20230131285A true KR20230131285A (ko) 2023-09-12

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KR1020237029406A KR20230131285A (ko) 2017-06-05 2018-05-30 부호화 장치, 복호 장치, 부호화 방법 및 복호 방법

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US (4) US10728543B2 (ja)
JP (4) JPWO2018225594A1 (ja)
KR (2) KR102574175B1 (ja)
CN (5) CN117097890A (ja)
TW (2) TW202402052A (ja)
WO (1) WO2018225594A1 (ja)

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JP6765520B2 (ja) 2017-05-19 2020-10-07 パナソニック インテレクチュアル プロパティ コーポレーション オブ アメリカPanasonic Intellectual Property Corporation of America 符号化装置、復号装置、符号化方法及び復号方法
WO2018212111A1 (ja) * 2017-05-19 2018-11-22 パナソニック インテレクチュアル プロパティ コーポレーション オブ アメリカ 符号化装置、復号装置、符号化方法及び復号方法
CN113596456B (zh) * 2019-09-23 2022-07-01 杭州海康威视数字技术股份有限公司 编解码方法、装置及设备
US11418792B2 (en) * 2020-03-27 2022-08-16 Tencent America LLC Estimating attributes for the classification of adaptive loop filtering based on projection-slice theorem

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US8325822B2 (en) * 2006-01-20 2012-12-04 Qualcomm Incorporated Method and apparatus for determining an encoding method based on a distortion value related to error concealment
US8503536B2 (en) * 2006-04-07 2013-08-06 Microsoft Corporation Quantization adjustments for DC shift artifacts
SG10201506682SA (en) * 2010-09-30 2015-10-29 Mitsubishi Electric Corp Moving image encoding device, moving image decoding device, moving image coding method, and moving image decoding method
JP2014192702A (ja) * 2013-03-27 2014-10-06 National Institute Of Information & Communication Technology 複数の入力画像をエンコーディングする方法、プログラムおよび装置
US20160191945A1 (en) * 2014-12-24 2016-06-30 Sony Corporation Method and system for processing video content
US20180249172A1 (en) * 2015-09-02 2018-08-30 Mediatek Inc. Method and apparatus of motion compensation for video coding based on bi prediction optical flow techniques
US10375413B2 (en) * 2015-09-28 2019-08-06 Qualcomm Incorporated Bi-directional optical flow for video coding
WO2017134957A1 (ja) * 2016-02-03 2017-08-10 シャープ株式会社 動画像復号装置、動画像符号化装置、および予測画像生成装置

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Publication number Publication date
US11115654B2 (en) 2021-09-07
US20200314417A1 (en) 2020-10-01
CN117041562A (zh) 2023-11-10
US20200107018A1 (en) 2020-04-02
JP2022093625A (ja) 2022-06-23
KR20200015518A (ko) 2020-02-12
CN117097890A (zh) 2023-11-21
TWI814726B (zh) 2023-09-11
WO2018225594A1 (ja) 2018-12-13
US20240048691A1 (en) 2024-02-08
KR102574175B1 (ko) 2023-09-04
US10728543B2 (en) 2020-07-28
US11831864B2 (en) 2023-11-28
JP7432653B2 (ja) 2024-02-16
TW201909632A (zh) 2019-03-01
CN110692242B (zh) 2023-10-03
TW202402052A (zh) 2024-01-01
CN110692242A (zh) 2020-01-14
CN117041563A (zh) 2023-11-10
US20210344906A1 (en) 2021-11-04
CN117097891A (zh) 2023-11-21
JP2021002891A (ja) 2021-01-07
JP2024015159A (ja) 2024-02-01
JPWO2018225594A1 (ja) 2020-02-06

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